# Senior Mobile App Engineer

**Company:** [Beacon Biosignals](https://hotfix.jobs/companies/beacon-biosignals)
**Location:** Remote
**Role:** Mobile Engineering
**Salary:** $170k – $190k/yr
**Experience:** 8+ years
**Skills:** React Native, iOS, Android, Bluetooth Low Energy, TypeScript, Swift, Kotlin, Expo, GitHub, Eeg, Wearables, Sensor Integration
**Posted:** 2026-08-14

> Build cross-platform React Native applications and native iOS/Android BLE SDKs for EEG and wearable devices. The role requires 8+ years of mobile development experience, strong UX and performance ownership, and familiarity with health data streams and regulated environments.

## Job Description

## Responsibilities
- Develop React Native mobile applications and native iOS and Android BLE device SDKs.
- Design and implement UX workflows for clinical trial participants and at-home diagnostic patients.
- Own app user experience, performance, reliability, and observability.
- Partner with Devices, Platform, and product design teams to develop integrated mobile capabilities.
- Help shape the roadmap and technical direction of the mobile platform.
- Build in-app features to validate EEG signal quality before data capture.
- Improve BLE pairing and reconnection reliability across iOS and Android.
- Streamline onboarding for patients and trial participants.
- Deploy features to help Clinical Operations track compliance.

## Requirements
- 8+ years of experience in mobile development across native iOS, Android, and/or React Native.
- Experience with BLE, sensor integration, or health data streams.
- Product mindset with strong attention to UX, edge cases, and performance.
- Familiarity with TypeScript, React Native, Swift, Kotlin, Expo, and GitHub.
- Strong communication skills and comfort working in a collaborative, asynchronous environment.

## Nice-to-haves
- Experience with medical devices, EEG, or wearables.
- Experience integrating BLE peripheral devices into iOS and/or Android applications.
- Extensive native iOS or Android development experience alongside React Native.
- Experience building apps for clinical trials, patients, or regulated environments.
- Contributions to open-source mobile or BLE projects.

## Compensation and benefits
- Salary range: $170,000–$190,000.
- Total compensation includes equity, PTO, and other benefits.

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